import {
  Column,
  CreateDateColumn,
  Entity,
  JoinColumn,
  ManyToOne,
  OneToMany,
  PrimaryGeneratedColumn,
  UpdateDateColumn,
} from 'typeorm';
import { Class } from './class.entity';
import { ExamScore } from './exam-score.entity';

@Entity('exams')
export class Exam {
  @PrimaryGeneratedColumn()
  id: number;

  @Column({ name: 'exam_type', length: 50 })
  examType: string;

  @Column({ name: 'exam_name', length: 100 })
  examName: string;

  @Column({ length: 50 })
  subject: string;

  @Column({ name: 'exam_date', type: 'date' })
  examDate: string;

  @Column({ name: 'class_id', type: 'integer' })
  classId: number;

  @ManyToOne(() => Class)
  @JoinColumn({ name: 'class_id' })
  class: Class;

  @OneToMany(() => ExamScore, (score) => score.exam)
  scores: ExamScore[];

  @Column({ type: 'varchar', length: 20, default: 'active' })
  status: 'active' | 'archived';

  @CreateDateColumn({ name: 'created_at' })
  createdAt: Date;

  @UpdateDateColumn({ name: 'updated_at' })
  updatedAt: Date;
}